One of these petroleum by-products is isoprene. This is used to make the synthetic rubber in car tyres.

还有个石油副产品是异戊二烯(译者注：橡胶基质)，用来生成汽车轮胎需要的合成橡胶。

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The international petroleum price keeps on soaring, which has a great impact on the Chinese petroleum industry as well as the related professions, particularly the car industry.

近期国际石油价格持续上涨，中国石油相关行业受到了较大的影响，尤其对中国的汽车工业造成冲击。

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If a car did not maintain well, the car driving in slow velocity will emit more waste gas and spent more petroleum.

如果车辆没有妥善维修保养，在怠车慢速时候，将会排放更多废气以及更多的石油燃料。

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My administration is going to put in place a series of policies that will ensure that in four years, the average new American car will get 300 miles per gallon of petroleum.

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For driving, no fuel is yet greener in the proper sense of using fewer overall resources than petroleum based gasoline, and we can acknowledge that an electric car is actually coal-powered.

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For roughly half the price of the Volt, you can get the Cruze, a car that promises better gas mileage on long highway trips, when both are running on petroleum.

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